To clean the scanner glass and white platen (HP LaserJet 3050 all-
Over time, specks of debris might collect on the scanner glass and white platen, which can affect
performance. Use the following procedure to clean the scanner glass and white platen.
Use the power switch to turn off the all-in-one, and then unplug the power cord from the
Tilt the control panel forward.
Clean the glass strip and the white platen with a soft cloth or sponge that has been moistened
with nonabrasive glass cleaner.
Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon
tetrachloride on any part of the all-in-one; these can damage the all-in-one. Do not place
liquids directly on the glass or platen. They might seep and damage the all-in-one.
Dry the glass and platen with a chamois or a cellulose sponge to prevent spotting.
Plug in the all-in-one and use the power switch to turn on the all-in-one.
Cleaning the all-in-one
In certain areas of California, air pollution control regulations restrict the use of
Isopropyl Alcohol (IPA) as a cleaning agent. In those areas of California, please disregard the
previous recommendations and use a dry, lint-free cloth. The cloth may be moistened with
water if desired.